The sensation of thirst results from
A) an increase in the plasma volume.
B) hypertension (increased blood pressure).
C) stimulation of osmoreceptor cells in the hypothalamus.
D) a decrease in the osmolality of the extracellular fluid.
E) stimulation of baroreceptors.

Question

Quizplus · Accepted Answer

Thirst sensation is primarily triggered by the stimulation of osmoreceptor cells in the hypothalamus, which detect an increase in the osmolality (concentration of solutes) of the extracellular fluid, indicating dehydration or a need for fluid intake.

The Sensation of Thirst Results from